Utilities: harden exim_tidydb against corrupt wait-records. Bug 2343

[exim.git] / src / src / macros.h

diff --git a/src/src/macros.h b/src/src/macros.h
index a507bbf836914a316544b879d0a0d4b1e2892a4f..68470a9f104e0587c6270740579c0a7db8d7f8f9 100644 (file)
--- a/src/src/macros.h
+++ b/src/src/macros.h
@@ -41,9 +41,11 @@ manipulate them. */
 
 
 /* For almost all calls to convert things to printing characters, we want to
-allow tabs. A macro just makes life a bit easier. */
+allow tabs & spaces. A macro just makes life a bit easier. */
 
-#define string_printing(s) string_printing2((s), TRUE)
+#define string_printing(s) string_printing2((s), 0)
+#define SP_TAB         BIT(0)
+#define SP_SPACE       BIT(1)
 
 
 /* We need a special return code for "no recipients and failed to send an error
@@ -148,6 +150,7 @@ enough to hold all the headers from a normal kind of message. */
 /* The size of the circular buffer that remembers recent SMTP commands */
 
 #define SMTP_HBUFF_SIZE 20
+#define SMTP_HBUFF_PREV(n)     ((n) ? (n)-1 : SMTP_HBUFF_SIZE-1)
 
 /* The initial size of a big buffer for use in various places. It gets put
 into big_buffer_size and in some circumstances increased. It should be at least
@@ -189,17 +192,10 @@ message id with a trailing "-H" or "-D" added. */
 #define SPOOL_NAME_LENGTH (MESSAGE_ID_LENGTH+2)
 
 /* The maximum number of message ids to store in a waiting database
-record. */
+record, and the max number of continuation records allowed. */
 
 #define WAIT_NAME_MAX 50
-
-/* Wait this long before determining that a Proxy Protocol configured
-host isn't speaking the protocol, and so is disallowed. Can be moved to
-runtime configuration if per site settings become needed. */
-#ifdef SUPPORT_PROXY
-#define PROXY_NEGOTIATION_TIMEOUT_SEC 3
-#define PROXY_NEGOTIATION_TIMEOUT_USEC 0
-#endif
+#define WAIT_CONT_MAX 1000
 
 /* Fixed option values for all PCRE functions */
 
@@ -302,6 +298,7 @@ Use rc_names[] for debug strings. */
 #define CANCELLED     13    /* Authentication cancelled */
 #define FAIL_SEND     14    /* send() failed in authenticator */
 #define FAIL_DROP     15    /* Fail and drop connection (used in ACL) */
+#define DANE         16    /* Deferred for domain mismatch (used in transport) */
 
 /* Returns from the deliver_message() function */
 
@@ -310,7 +307,7 @@ Use rc_names[] for debug strings. */
 #define DELIVER_MUA_FAILED         2  /* Failure when mua_wrapper is set */
 #define DELIVER_NOT_ATTEMPTED      3  /* Not tried (no msg or is locked */
 
-/* Returns from DNS lookup functions. */
+/* Returns from DNS lookup functions. Use dns_rc_names[] for debug strings */
 
 enum { DNS_SUCCEED, DNS_NOMATCH, DNS_NODATA, DNS_AGAIN, DNS_FAIL };
 
@@ -480,6 +477,7 @@ enum logbit {
   Li_outgoing_port,
   Li_pid,
   Li_pipelining,
+  Li_protocol_detail,
   Li_proxy,
   Li_queue_time,
   Li_queue_time_overall,
@@ -560,19 +558,20 @@ table exim_errstrings[] in log.c */
 #define ERRNO_AUTHPROB       (-48)   /* Authenticator "other" failure */
 #define ERRNO_UTF8_FWD       (-49)   /* target not supporting SMTPUTF8 */
 #define ERRNO_HOST_IS_LOCAL  (-50)   /* Transport refuses to talk to localhost */
+#define ERRNO_TAINT          (-51)   /* Transport refuses to talk use tainted filename */
 
 /* These must be last, so all retry deferments can easily be identified */
 
-#define ERRNO_RETRY_BASE     (-51)   /* Base to test against */
-#define ERRNO_RRETRY         (-51)   /* Not time for routing */
+#define ERRNO_RETRY_BASE     (-52)   /* Base to test against */
+#define ERRNO_RRETRY         (-52)   /* Not time for routing */
 
-#define ERRNO_WARN_BASE      (-52)   /* Base to test against */
-#define ERRNO_LRETRY         (-52)   /* Not time for local delivery */
-#define ERRNO_HRETRY         (-53)   /* Not time for any remote host */
-#define ERRNO_LOCAL_ONLY     (-54)   /* Local-only delivery */
-#define ERRNO_QUEUE_DOMAIN   (-55)   /* Domain in queue_domains */
-#define ERRNO_TRETRY         (-56)   /* Transport concurrency limit */
-#define ERRNO_EVENT         (-57)   /* Event processing request alternate response */
+#define ERRNO_WARN_BASE      (-53)   /* Base to test against */
+#define ERRNO_LRETRY         (-53)   /* Not time for local delivery */
+#define ERRNO_HRETRY         (-54)   /* Not time for any remote host */
+#define ERRNO_LOCAL_ONLY     (-55)   /* Local-only delivery */
+#define ERRNO_QUEUE_DOMAIN   (-56)   /* Domain in queue_domains */
+#define ERRNO_TRETRY         (-57)   /* Transport concurrency limit */
+#define ERRNO_EVENT         (-58)   /* Event processing request alternate response */
 
 
 
@@ -736,6 +735,7 @@ enum { v_none, v_sender, v_recipient, v_expn };
 #define vopt_callout_recippmaster 0x0100   /* use postmaster to verify recip */
 #define vopt_callout_hold        0x0200   /* lazy close connection */
 #define vopt_success_on_redirect  0x0400
+#define vopt_quota                0x0800   /* quota check, to local/appendfile */
 
 /* Values for fields in callout cache records */
 
@@ -881,7 +881,7 @@ enum {
 
 /* Options for smtp_write_command */
 
-enum { 
+enum {
   SCMD_FLUSH = 0,      /* write to kernel */
   SCMD_MORE,           /* write to kernel, but likely more soon */
   SCMD_BUFFER          /* stash in application cmd output buffer */
@@ -973,7 +973,9 @@ enum { ACL_WHERE_RCPT,       /* Some controls are for RCPT only */
 #define ACL_BIT_MIME           BIT(ACL_WHERE_MIME)
 #define ACL_BIT_DKIM           BIT(ACL_WHERE_DKIM)
 #define ACL_BIT_DATA           BIT(ACL_WHERE_DATA)
-#ifndef DISABLE_PRDR
+#ifdef DISABLE_PRDR
+# define ACL_BIT_PRDR          0
+#else
 # define ACL_BIT_PRDR          BIT(ACL_WHERE_PRDR)
 #endif
 #define ACL_BIT_NOTSMTP                BIT(ACL_WHERE_NOTSMTP)
@@ -991,6 +993,10 @@ enum { ACL_WHERE_RCPT,       /* Some controls are for RCPT only */
 #define ACL_BIT_DELIVERY       BIT(ACL_WHERE_DELIVERY)
 #define ACL_BIT_UNKNOWN                BIT(ACL_WHERE_UNKNOWN)
 
+#define ACL_BITS_HAVEDATA      (ACL_BIT_MIME | ACL_BIT_DKIM | ACL_BIT_DATA \
+                               | ACL_BIT_PRDR \
+                               | ACL_BIT_NOTSMTP | ACL_BIT_QUIT | ACL_BIT_NOTQUIT)
+
 
 /* Situations for spool_write_header() */
 
@@ -1067,8 +1073,8 @@ should not be one active. */
 
 #define AUTHS_REGEX US"\\n250[\\s\\-]AUTH\\s+([\\-\\w \\t]+)(?:\\n|$)"
 
-#define EARLY_PIPE_FEATURE_NAME "X_PIPE_CONNECT"
-#define EARLY_PIPE_FEATURE_LEN  14
+#define EARLY_PIPE_FEATURE_NAME "PIPE_CONNECT"
+#define EARLY_PIPE_FEATURE_LEN  12
 
 
 /* Flags for auth_client_item() */